"When it comes to feeding your crop, you want nutrients readily available when they’re needed. After selecting nutrient rates, your next decision is the vehicle you’ll use to fertilize your crop." "According to Michigan State University and Penn State University Extension, granular and liquid fertilizers provide the same total amount of nutrients; the differences lie in crops’ access to nutrients, crop safety, consistency and ease of use."http://www.agweb.com/article/granular-vs-liquid-fertilizer-naa-sonja-begemann/